Corresponding author: Xiao Zhang (
Academic editor: Andreas Köhler
Two new species of the small and rarely collected family
Chen H-y, Liuhe B-j, Zhang X (2021) Two new species of the family Megalyridae (Hymenoptera) from China. ZooKeys 1043: 21–31.
All specimens are deposited in the collections of the Museum of Biology, Sun Yat-sen University, Guangzhou, China (
The following abbreviations are used:
1 | Posterior ocular orbits without groove (Fig. |
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– | Posterior ocular orbits with groove (Fig. |
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2 | Median strip on frons distinctly deeper than longitudinal striae; ventral margin of mesepisternum swollen, more or less rounded |
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– | Median strip on frons indistinct, not deeper than longitudinal striae (Fig. |
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3 | Frons irregularly rugose (Fig. |
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– | Frons coarsely reticulate; clypeus dorsal half finely punctate, ventral half smooth; |
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Little is known about the biology of
Oriental, Australasian, and eastern Palaearctic regions.
Head longer than wide (Fig.
The specific epithet refers to the locality (Dali) where the type specimens were collected. It should be treated as a noun in apposition.
Oriental region, China, Yunnan Province.
Posterior ocular orbits with groove and carina present; posterior border of mesopleuron smooth, without a row of foveae; propodeum with unique pattern of longitudinal carinae; forewing fuscous or with fuscous banding pattern; forewing with vein Rs between Rs + M and r-rs tubular for at least a short distance, apical segment of Rs tubular, arched towards stigma, M+ Cu and distal segments of Cu absent or at most spectral; Hind tibia rugose and with erect setae. Additional diagnostic characters for the genus were provided by
No biological data for
Oriental region.
Frons irregularly rugose (Fig.
The specific epithet refers to Hainan Island, where the type locality is located. It is treated as a noun in apposition.
Oriental region, China, Hainan Province.
Mita and Shaw (2012) have suggested that species diversity of megalyrids from the Southeast Asia is still undersampled and intensive study is required. Additional discoveries from this region would help us better understand the biogeography and eveolutionary history of
Species of
So far, including the
We thank Dr Shi-xiao Luo (South China Botanical Garden, Chinese Academy of Sciences) for providing a specimen of